A sand prevention method based on photovoltaic array structure optimization configuration

By obtaining characteristic data of the photovoltaic power station construction area to calculate the sand supply capacity index, a differentiated configuration strategy for the photovoltaic array structure was determined, which solved the problem of unsatisfactory sand control effect of photovoltaic power stations and achieved long-term stable and safe operation of photovoltaic power stations and reduced operation and maintenance costs.

CN122394474APending Publication Date: 2026-07-14XINJIANG INST OF ECOLOGY & GEOGRAPHY CHINESE ACAD OF SCI
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
XINJIANG INST OF ECOLOGY & GEOGRAPHY CHINESE ACAD OF SCI
Filing Date
2026-04-28
Publication Date
2026-07-14

AI Technical Summary

Technical Problem

Existing photovoltaic power plants have not achieved satisfactory results in sand control measures in desert areas, resulting in high operation and maintenance costs. Furthermore, in areas with high sand supply, erosion and sand burial problems are prone to occur, affecting the stability and safety of the power plants.

Method used

By acquiring characteristic data of the photovoltaic power station construction area, calculating the sand supply capacity index, determining differentiated configuration strategies for photovoltaic array structures based on sand supply type, and adopting a zoned prevention and control strategy that combines edge blocking and internal steady state or a unified prevention and control strategy that promotes transport through slight disturbance, the surface wind and sand process can be regulated to reduce the risk of sand damage.

Benefits of technology

This has enabled the long-term stable and safe operation of photovoltaic power plants, reduced operation and maintenance costs, decreased the risk of surface erosion, and improved the sand-proof effect of photovoltaic array structures.

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Abstract

The application discloses a sand prevention method based on photovoltaic array structure optimization configuration, comprising: obtaining the characteristic data of the underlying surface of the photovoltaic power station construction area; calculating the target sand supply capacity index of the underlying surface according to the characteristic data and the sand supply capacity index formula; determining the sand supply type of the underlying surface of the photovoltaic power station construction area based on the size relationship between the target sand supply capacity index and the sand supply capacity index threshold; determining the configuration strategy of the photovoltaic array structure of the photovoltaic power station construction area according to the sand supply type, the configuration strategy of the photovoltaic array structure and the preset corresponding relationship of the sand supply type, and configuring the structure of the photovoltaic array according to the configuration strategy; the configuration strategy comprises a partition prevention strategy combining edge control and internal steady state, and a whole-area unified prevention strategy of light disturbance and sand transport. The method can differentially configure the photovoltaic array structure according to the sand supply capacity of different underlying surfaces, reduce the erosion risk of the power station, effectively prevent and control sand damage, and ensure the safe operation of the photovoltaic power station.
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